把下面的问句与相应的答句配对,把所选的序号写在括号里。
( ) I _____ twelve . A. am B. is C. was
()Let’s ____ our class ! A. to begin B. begin C. begin to
()Go ____ to your seats . A. from B. in C. back
()I come _____ Britain . A. to B. at C. from
()_____ here , Tom ! A. Go B. Come C. At